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14978 (1997 SD25)
Classification: Main-belt Asteroid          SPK-ID: 2014978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07704200588695084 3.2283e-08  
a 3.035645255105942 1.6462e-08 au
q 2.801773055491375 9.9618e-08 au
i 10.41323359974911 5.0337e-06 deg
node 195.0283046472105 1.9963e-05 deg
peri 252.5395155339142 3.9261e-05 deg
M 81.28182354083036 3.2858e-05 deg
tp 2458764.319855136474
(2019-Oct-07.81985514)
0.0001762 TDB
period 1931.856906138317
5.29
1.5715e-05
4.303e-08
d
yr
n .1863492057077983 1.5159e-09 deg/d
Q 3.269517454720508 1.7731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1907  
   data-arc span      9422 days (25.80 yr)  
   first obs. used      1995-05-29  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:44:06  

Additional Information
 Earth MOID = 1.83921 au 
 Jupiter MOID = 1.95888 au 
 T_jup = 3.212 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.36   n/a E2021B10  
diameter diameter 7.680 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14978 (1997 SD25)          Discovered 1997-Sep-30 by Kawasato, N. at Uenohara
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SD25 = 1999 AT34 = 1999 CS102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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